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185
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8) Places exposed to oil splashes or steam (e.g. kitchens and machine plants.)
Installation and use at such places will incur deteriorations in the performance or corrosion with the heat exchanger or
damage in molded synthetic resin parts.
9) Places where corrosive gas (such as sulfurous acid gas) or inflammable gas (thinner, gasoline, etc.) is generated or
remains.
Installation and use at such places will cause corrosion in the heat exchanger and damage in molded synthetic resin parts.
10
) Place adjacent to equipment generating electromagnetic waves or high-frquency waves such as in hospitals. Generated
noise may cause malfunctioning of the controller.
(ii) Preparations for installation
1) Ceiling hole and suspension bolt positions
a) The pattern sheet shrinks or expands as humidity changes, so check the actual size before use.
b) The ceiling hole sizes and suspension bolt sizes are shown in the following figure.
(iii) Installation
For the suspension bolt, use four M10 or W 3/8 bolts and secure so that each bolt can withstand a 490N pullout load.
Use a suspension bolt length that extends approximately 95 mm from the ceiling surface.
Models
Mark
FDTW28, 45, 56
FDTW112, 140
FDTW71, 90
56
Dimension table
Center panel
Control box
Ceiling hole size
Suspension bolt pitch
9040
5
6
97 97
640
446
Ceiling hole size
Suspension bolt pitch
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